/Engine/Source/Runtime/GeometryCore/Public/TransformTypes.h
input vector with inverse-QS transformation applied, ie QSinv(V) = InverseScale(InverseRotate(V))
[TVector](API\Runtime\Core\Math\TVector)< RealType > InverseTransformVector ( const [UE::Math::TVector](API\Runtime\Core\Math\TVector)< RealType > & V ) const